Land Recent QUIC changes

net/quic/quic_spdy_compressor.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_QUIC_QUIC_SPDY_COMPRESSOR_H_
+#define NET_QUIC_QUIC_SPDY_COMPRESSOR_H_
+
+#include <string>
+
+#include "net/base/net_export.h"
+#include "net/quic/quic_protocol.h"
+#include "net/spdy/spdy_framer.h"
+
+namespace net {
+
+// Handles the compression of request/response headers blocks.  The
+// serialized format is:
+// uint32 - Header ID
+// uint32 - Compressed header length
+// ... - Compressed data
+//
+class NET_EXPORT_PRIVATE QuicSpdyCompressor {
+ public:
+  QuicSpdyCompressor();
+  ~QuicSpdyCompressor();
+
+  std::string CompressHeaders(const SpdyHeaderBlock& headers);
+
+ private:
+  SpdyFramer spdy_framer_;
+  QuicHeaderId header_sequence_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(QuicSpdyCompressor);
+};
+
+}  // namespace net
+
+#endif  // NET_QUIC_QUIC_SPDY_COMPRESSOR_H_